<form class="form-horizontal" role="form" id="formLogin" method="post">
    <div class="form-group">
        <label for="inputEmail" class="col-sm-2 control-label">Usuário</label>
        <div class="col-sm-4">
            <input type="text" class="form-control" name="Login"  placeholder="Seu usuário aqui">
        </div>
    </div>
    <div class="form-group">
        <label for="inputSenha" class="col-sm-2 control-label">Senha</label>
        <div class="col-sm-4">
            <input type="password" class="form-control" name="Senha"  placeholder="Sua senha aqui">
        </div>
    </div>
    <div class="form-group">
        <div class="col-sm-offset-2 col-sm-10">
            <button type="submit" class="btn btn-default">Entrar</button>
        </div>
    </div>
</form>
<br/>
<br/>